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Robert J. Spiegel

CIK: 0001492256

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)18 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (3)

RenovoRx, Inc. logo
RNXT

RenovoRx, Inc.

Director
GERON CORP logo
GERN

GERON CORP

Director
Ernexa Therapeutics Inc. logo
ERNA

Ernexa Therapeutics Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (18 total)

  • RenovoRx, Inc. logo
    RNXT

    RenovoRx, Inc.

    Oct 1, 2026
    Award(A)

    Stock Options (right to buy)

    Direct
    55.9K shares-
  • GERON CORP logo
    GERN

    GERON CORP

    Sep 30, 2026
    Award(A)
    Direct
    6.4K shares at avg. $1.23$8K
  • GERON CORP logo
    GERN

    GERON CORP

    Jun 30, 2026
    Award(A)
    Direct
    6.1K shares at avg. $1.28$8K
  • GERON CORP logo
    GERN

    GERON CORP

    May 20, 2026
    Award(A)

    Stock Option (right to buy)

    Direct
    220K shares-
  • GERON CORP logo
    GERN

    GERON CORP

    Mar 31, 2026
    Award(A)
    Direct
    5.2K shares at avg. $1.49$8K
  • GERON CORP logo
    GERN

    GERON CORP

    Dec 31, 2025
    Award(A)
    Direct
    5.9K shares at avg. $1.32$8K
  • RenovoRx, Inc. logo
    RNXT

    RenovoRx, Inc.

    Oct 1, 2025
    Award(A)

    Stock Options (right to buy)

    Direct
    47.6K shares-
  • GERON CORP logo
    GERN

    GERON CORP

    Sep 30, 2025
    Award(A)
    Direct
    5.7K shares at avg. $1.37$8K
  • GERON CORP logo
    GERN

    GERON CORP

    Jun 30, 2025
    Award(A)
    Direct
    5.5K shares at avg. $1.41$8K
  • GERON CORP logo
    GERN

    GERON CORP

    May 21, 2025
    Award(A)

    Stock Option (right to buy)

    Direct
    180K shares-
  • GERON CORP logo
    GERN

    GERON CORP

    Mar 31, 2025
    Award(A)
    Direct
    4.9K shares at avg. $1.59$8K
  • GERON CORP logo
    GERN

    GERON CORP

    Dec 31, 2024
    Award(A)
    Direct
    2.2K shares at avg. $3.54$8K
  • GERON CORP logo
    GERN

    GERON CORP

    Dec 31, 2024
    Award(A)
    Direct
    2.2K shares-
  • RenovoRx, Inc. logo
    RNXT

    RenovoRx, Inc.

    Oct 1, 2024
    Award(A)

    Stock Options (right to buy)

    Direct
    25.1K shares-
  • GERON CORP logo
    GERN

    GERON CORP

    Sep 30, 2024
    Award(A)
    Direct
    1.8K shares at avg. $4.54$8K
  • GERON CORP logo
    GERN

    GERON CORP

    Sep 30, 2024
    Award(A)
    Direct
    1.8K shares-
  • GERON CORP logo
    GERN

    GERON CORP

    Jun 28, 2024
    Award(A)
    Direct
    1.9K shares at avg. $4.24$8K
  • GERON CORP logo
    GERN

    GERON CORP

    Mar 29, 2024
    Award(A)
    Direct
    2.5K shares at avg. $3.30$8K

1-18 of 18

About Spiegel Robert J.

Spiegel Robert J. (SEC CIK 0001492256) files insider reports with the SEC as Director of RenovoRx, Inc. (RNXT), Director of GERON CORP (GERN) and Director of Ernexa Therapeutics Inc. (ERNA).

Signal8 holds 18 ownership filings by Spiegel Robert J. (1 Form 3, 17 Form 4), filed between Oct 1, 2024 and Oct 2, 2026. Those filings report 18 transactions, from Mar 29, 2024 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Spiegel Robert J.'s filings is in FOSTER CITY, CA.

Recent filings by Spiegel Robert J.

  • Oct 1, 2026: Grant or award of RNXT derivative securities (Form 4, code A).
  • Sep 30, 2026: Grant or award of GERN shares (Form 4, code A).
  • Jun 30, 2026: Grant or award of GERN shares (Form 4, code A).
  • May 20, 2026: Grant or award of GERN derivative securities (Form 4, code A).
  • Mar 31, 2026: Grant or award of GERN shares (Form 4, code A).

Other insiders filing for RenovoRx, Inc. (RNXT)

How to read Form 4 transaction codes